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Archive for December, 2014

Most of us know the default port for SQL Server is 1433, but there are various ports being used by SQL Server for other database services and SQL features.

In the below table I tried to list the ports that are frequently used by the Database Engine

Item Port
Default instance TCP port 1433
Named instance in default configuration Dynamic port. You can configure named instances to use fixed TCP ports
Dedicated Admin Connection (DAC) TCP port 1434
SQL Server Browser service UDP port 1434
SQL Server instance running over an  HTTP end-point TCP port 80 for CLEAR_PORT traffic   TCP port 443 for SSL_PORT traffic
Service Broker TCP port 4022
Replication TCP port 1433 for default instance
Transact-SQL Debugger TCP port 135
Analysis Services TCP port 2383 for default instance
Reporting Services Web Services TCP port 80
Reporting Services configured for use through HTTPS TCP port 443
Integration Services: Microsoft remote
procedure calls
TCP port 135
Integration services run time TCP port 135
Microsoft Distributed Transaction Coordinator (MS DTC) TCP port 135
SQL Server Management Studio browse connection to browser service UDP port 1434

You can find more information about the TCP and UDP ports SQL Server uses from books online here: Configure the Windows Firewall to Allow SQL Server Access

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